How to find out coordinate system to use pre-1940 Soviet map as raster

المشرف العام

Administrator
طاقم الإدارة
I am trying to use this map as a raster but I am not having any success in QGIS. I tried in Georeferencer to open raster and used these settings:

Transformation: Thin plate spineResampling Method: Nearest NeighborTarget SRS: Pulkovo 1942 (and others)

Then I input five points at major lat/lng intersections and run georeferencing. But it comes out like this:



Am I doing this right? Is there a way to find out the correct coordinate system without tons of trial and error?



أكثر...
 
أعلى